JA95-N22 Audio Controller - Flight Crew - NVG
Installation and Operating Manual
Rev
B
Page 12
2.5.2.8
Audio Muting (During Transmit)
When the Mute RX Audio check box is checked the Receive
Audio is muted during transmit. (
Default checked
)
When the Mute ICS Audio check box is checked the ICS Audio
is muted during transmit. (
Default checked
)
When the Mute Alert Audio check box is checked the Alert
Audio is muted during transmit. (
Default not checked
)
The Mute Music Audio check box is always checked
(i.e. Mute Music Audio is always enabled.)
2.5.2.9
CVR Level
2.5.2.10
Music Levels
The music output level of the four Music input signals to the Phones audio can be adjusted from -40 to 0 dB of
rated phone level (
Default 0 dB
).
When the 'Configure M/D Switch as Music Selector'
check box is checked the M/D switch becomes a music
select switch (
Default not checked
)
The output levels of the Cockpit Voice Recorder audio
may be adjusted as shown.
The Music Input Levels may be adjusted from 0.10 to 1.00 Vrms. (
Default 0.40 Vrms
).
The attenuation level during muting of the music signal
can be adjusted from 0 to -40 dB (
Default -40 dB)
.